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Exciting New Greenhouse Project for Marsden Point

Exciting New Greenhouse Project for Marsden Point

8.9ha of lit tomatoes


By now you may be aware of the new greenhouse project planned for Marsden Point.  The project is valued at $70 million and has received a $14 million loan from the PGF (Provincial Growth Fund).   The new high-tech glasshouse will be installed with 100% LED supplementary lighting to produce 8.9ha of tomatoes.  Increasing New Zealand’s domestic market winter supply will primarily be the focus.

From my knowledge of supplementary lighting, this glasshouse, depending on many variables, could produce summer time production in winter.  I predict the production achieved (using LED’s) may be equivalent to 30 ha of what is produced currently during our winter period.

Information below from the media releases indicates this project will be growing organic tomatoes, which will be incredibly challenging especially with New Zealand’s huge insect pressure and lack of natural predators unlike other locations.  This leads me to think it may be a closed greenhouse or have insect protection/netting.

When I worked for Wight Salads, Isle of Wight in England, they specialised in growing organic tomatoes.  The advantage that Wight Salads, as do other organic producers in England, is that they have access to an array of natural beneficial insect predators that New Zealand growers do not have access to.  As an example, the insect Macrolophus to control Whitefly. 

Growing organically also makes it very difficult to achieve similar production to conventional growing methods.  Apart from the huge challenge of insect control you really need everything to go right, no root disease, no fungus and bacterial diseases like blight, etc.  A perfect environment is very hard to achieve despite the most modern technology it is still going to be a constant challenge. 

The last time a structure of this size was built in New Zealand was 2003.  There have been additions to smaller and larger sized business over the past 17 years but not all in one go.   The extra production in winter may well reduce the need to import Australian fruit. Long crops grow for 49 weeks so not all the production will be harvested in winter.  It is important to note that organic crops may not quite have the legs, even if grafted.

From a technology perspective I am very excited this project is going ahead.  Suppliers to the greenhouse industry will be happy as there will be a brand-new customer to supply.  However, I am mindful it will cause a few jitters amongst growers that feel our market is currently sufficiently supplied.  A few years ago, 3ha of new cucumber production caused the same concerns but the market adjusted and settled down, and over recent times the area of cucumbers would easily have increased by a further 3 ha. 

In my opinion it was only a matter of time before an organisation moved in this direction.  It will possibly cause other companies to re-invest into new technology to become equally competitive or investigate alternate uses for their greenhouses.  This is a very exciting, major new development for the industry.  I am looking forward to the open day.


Below are the news links from which information for this post was obtained. 






local builders will be excited with the potential opportunity



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Article Written and compiled by Stefan Vogrincic, Consultant, Grower2Grower

Article Edited by Marie Vogrincic, Editor, Grower2Grower